Home / 76,892.27-106,111.44-45,061.20

Finding the Fourth Proportional to 76,892.27, 106,111.44 and 45,061.20

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Solution

The fourth proportional to 76,892.27, 106,111.44 and 45,061.20 is: 62,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,892.27 : 106,111.44 = 45,061.20 : x
  2. Step 2: Convert to fraction form
    76,892.27/106,111.44 = 45,061.20/x
  3. Step 3: Cross multiply
    76,892.27x = 106,111.44 × 45,061.20
  4. Step 4: Simplify right side
    76,892.27x = 4,781,508,820.13
  5. Step 5: Solve for x
    x = 4,781,508,820.13/76,892.27
  6. Step 6: Final answer
    x = 62,184.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.